Drive apparatus for bicycle e.g. electric bicycle such as touring bicycle, has quick-release unit that is arranged to detachably connect the motor with frame of the bicycle such that motor is arranged to drive hollow shaft

摘要

The drive device (22) has a drive wheel which with a traction element is provided. The drive wheel is arranged on a hollow shaft (54) to drive wheel of the bicycle. Two cranks (56) are fixed with the hollow shaft. A pedal crank assembly (60) is arranged on the hollow shaft via a freewheel. A motor (20) is arranged to drive hollow shaft. A quick-release unit (24) is arranged to detachably connect the motor with frame (10) of the bicycle.